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    Week 11: Explain Addition and Subtraction Strategies · Using Images and Text Together

    Quarter 2 · Detailed day-by-day lesson plans · Days 51–55

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    Explain Addition and Subtraction Strategies Using Images and Text Together

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    Writing prompt

    • Explain how to make your favorite snack. Use first, next, then, and last.
    Week 11 writing prompts

    Parent note

    This week's parent digest

    Specials this week

    Supplements

    This week at a glance

    Week 11 asks children to explain why their math strategies work — in words or drawings. Readers integrate images and text, and writers organize information from sources.

    Parent tip

    Ask 'how did you figure that out?' after every math problem this week.

    Materials this week

    Math journal, nonfiction picture book, lined paper

    Mathematics

    Explain Addition and Subtraction Strategies

    Addition & Subtraction Within 100 · 2.NBT.B.5

    Assessment: Write or draw to explain why addition and subtraction strategies work

    ELA

    Using Images and Text Together

    Phonics: Reading rate and expression practice

    Writing: Recall and organize information from experiences/sources

    Science

    Plants, Animals & Habitats

    2-LS2-1, 2-LS2-2, 2-LS4-1, K-2-ETS1-2

    Social Studies

    Maps, Geography & Our World

    Monday — Day 51

    140 minutes of instruction

    Math

    Students explain why the make-a-ten and decomposition strategies work using place value language and drawings (2.NBT.B.9).

    Standards Addressed

    Activities

    10 min

    Warm-Up

    Spiral from Week 10: say 10 more and 100 less for 462 and 807 (472 and 362, 817 and 707). Then ask your child to solve 38 + 47 any way they like and tell you every step aloud (85).

    paperpencil
    15 min

    Mini-Lesson

    Write 38 + 47 = 85 and ask the week's big question: 'Why does that work?' Model an explanation with straws: '38 is 3 tens and 8 ones. 47 is 4 tens and 7 ones. Tens go with tens: 7 tens. Ones go with ones: 15, which is 1 ten and 5 ones. That makes 8 tens and 5 ones.' Write it as 30 + 40 = 70, 8 + 7 = 15, 70 + 15 = 85. Say, 'This is called decomposing, breaking numbers into their place value parts.'

    straws bundled by tenloose strawspaperpencil
    15 min

    Practice

    Your child solves 56 + 29 and 43 + 38 by decomposing (85, 81), writing the three lines each time (tens sum, ones sum, total). Then they write 2 sentences under each explaining why splitting the numbers into tens and ones does not change the answer.

    paperpencil
    5 min

    Wrap-Up

    Ask, 'If you split 56 into 50 and 6, do you still have 56? How do you know?' Have your child prove it with 5 bundles and 6 straws.

    straws bundled by tenloose straws

    Materials Needed

    paperpencilstraws bundled by tenloose straws

    English Language Arts

    Students explain how a diagram or picture adds to and clarifies the words in a nonfiction text and begin organizing research notes into sections (RI.2.7, W.2.8).

    Standards Addressed

    Activities

    15 min

    Read-Aloud

    Say, 'Last week you figured out why authors write. This week we look at how pictures and words work as a team.' Read the first half of 'The Honey Makers' by Gail Gibbons, through the pages about the hive and the jobs of worker bees. On the labeled diagram of the bee's body, cover the labels and ask what the words tell that the picture alone cannot.

    The Honey Makers by Gail Gibbonssticky notes
    10 min

    Mini-Lesson

    Make a chart with two columns, 'The words tell me' and 'The picture shows me,' and fill it in for the honeycomb diagram (words: cells hold honey and eggs; picture: the cells are six-sided and packed together). Explain that a diagram is a drawing with labels and that it often shows something words alone would take a page to say.

    chart papermarkerThe Honey Makers by Gail Gibbons
    15 min

    Guided Reading

    Reread the page showing the bee's dance. Have your child read the words first with the picture covered and try to draw the dance, then uncover the picture and compare. Ask, 'Which helped you understand more, and why do you think the author used both?'

    The Honey Makers by Gail Gibbonsplain paperpencil
    15 min

    Writing Workshop

    Help your child turn the three question pages in the research folder into three section headings for the All About book ('What It Eats,' 'Where It Lives,' 'How It Grows'). Your child writes each heading on its own page and sorts the fact notes under the right heading by numbering them.

    folderplain paperpencil
    10 min

    Word Study

    Begin fluency word work: reading words instantly so the voice can do the expressing. Practice these words from 'The Honey Makers' until each is read in one look: honey, hive, nectar, pollen, worker, queen, drone, beeswax, comb, swarm. Then read the page about the queen aloud twice, the second time faster and smoother.

    index cardsmarkerThe Honey Makers by Gail Gibbons

    Materials Needed

    The Honey Makers by Gail Gibbonssticky noteschart papermarkerplain paperpencilfolderindex cards

    Science

    Students examine the parts of a flower and explain that pollen must move from flower to flower for seeds to form (2-LS2-2).

    This week's reading: From Flower to Seed

    Standards Addressed

    Activities

    5 min

    Science Question of the Week

    Say, 'Last week seeds traveled by wind, water, and animals. Before a seed exists, a flower needs help too. Our question: How do flowers make seeds, and how can we help pollinators?' Read the first pages of 'The Reason for a Flower' by Ruth Heller.

    The Reason for a Flower by Ruth Hellerindex card
    20 min

    Investigation: Flower Take-Apart

    Buy or pick a large simple flower (an alstroemeria or lily from the grocery store works well). Your child gently pulls off the petals and lays them in a row, then finds the thin stalks with dusty tips (stamens with pollen) and the thicker center stalk (pistil). Touch a cotton swab to the pollen and look at the yellow dust with a hand lens. Tape one petal and one stamen into the notebook.

    fresh flowercotton swabshand lenstapenotebook
    5 min

    Wrap-Up

    Your child draws the flower and labels petals, pollen, and the center. Ask, 'Why might bright petals be useful to a flower?'

    notebookcolored pencils

    Materials Needed

    The Reason for a Flower by Ruth Hellerindex cardfresh flowercotton swabshand lenstapenotebookcolored pencils
    Open Monday on its own page
    Science

    Reading About Our World: From Flower to Seed

    Read it aloud first while your child follows along. Then read it together, and let your child read the parts they can. Talk about the words in the word box.

    Many plants grow flowers. Flowers are more than pretty. They help plants make seeds.

    Inside a flower is a yellow powder called pollen. For most flowers to make seeds, pollen must move from one flower to another flower of the same kind.

    Animals help move pollen. A bee lands on a flower to drink sweet nectar. Pollen sticks to its fuzzy body. When the bee visits the next flower, some pollen rubs off. Butterflies and hummingbirds help move pollen too. Wind carries pollen for some plants, like grasses.

    After pollen reaches a flower, the flower can make seeds. Often a fruit grows around the seeds. An apple is a fruit with seeds inside.

    Seeds need to travel to find room to grow. Some float on the wind. Some stick to animal fur. Some are eaten by animals and dropped in new places.

    Look at the picture. What is the bee carrying?

    A bee drinks nectar from a flower, and yellow pollen sticks to its fuzzy body.

    Picture caption: A bee drinks nectar from a flower. Yellow pollen sticks to its fuzzy body.

    Word box

    pollen:
    a yellow powder made by flowers that helps them make seeds
    nectar:
    a sweet liquid inside flowers
    seed:
    the part of a plant that can grow into a new plant
    fruit:
    the part of a plant that grows around the seeds

    Questions

    1. What do the caption and the picture show that helps you understand the text?
    2. How do bees help flowers?
    3. Name two ways seeds travel.

    Weekly check

    Math

    Weekly Check

    • I can explain how I added or subtracted, using words, drawings or blocks.
    • I can use an addition fact to help me subtract.
    1. Solve 45 + 27 = ____ by breaking into tens and ones. Show your steps.
    2. Use 39 + 46 = 85 to solve 85 − 46 = ____
    3. Use 28 + 54 = 82 to solve 82 − 28 = ____
    4. Solve 61 − 27 = ____ on a number line. Show your jumps.
    5. Tell why your strategy for 45 + 27 works. Use because.

    ELA

    Weekly Check

    • I can use pictures and words together to understand a text.
    • I can read aloud at a good speed with expression.

    Sea Turtles

    A sea turtle swims with long flippers. It comes up on the beach to lay its eggs in the sand.

    A sea turtle digs a nest in the sand on a beach.

    A sea turtle digs a nest in the sand.

    1. What do the words tell you that the caption does not?
    2. What does the caption tell you?
    3. Why did the author add a picture?
    4. Which one should you read with an excited voice?We saw a sea turtle.We saw a sea turtle!
    5. Read the text aloud two times. Was the second read smoother?yesno

    Science

    Weekly Check

    • I can explain how bees and other animals help flowers make seeds.
    • I can name the parts of a seed's journey, from flower to new plant.
    1. Which part of a flower holds the pollen?petalstamenstem
    2. How does a bee carry pollen to another flower?
    3. Name two animals that pollinate flowers.
    4. Number the steps 1 to 4: ___ seeds travel ___ a flower blooms ___ a new plant grows ___ a bee moves pollen
    5. Why do plants need pollinators?

    Social Studies

    Weekly Check

    • I can explain what a natural resource is.
    • I can name natural resources and how people use them.
    1. What is a natural resource?
    2. A wooden chair comes from which resource?
    3. A glass jar is made from which resource?sandwooltrees
    4. Which one can grow back?a treeoil
    5. Name one way your family can save water.

    Specials

    PE · Throwing, Catching & Hand-Eye Coordination · All Specials

    This Week's Specials Page

    PE · Week 11

    I can aim at a target and track a moving object.

    Target toss. Put a laundry basket or hoop 5 big steps away in a clear space. Toss 10 times, underhand. Make a tally mark for each hit.

    1. Round 1: ____ hits out of 10
    2. Round 2: ____ hits out of 10
    3. Did you get better in Round 2? Circle one.yessamenot this time

    Balloon volley. Keep a balloon in the air with gentle taps. Stay away from furniture. Count your taps before it lands.

    1. My best number of taps: ____
    2. What do your eyes need to do to keep the balloon up?

    You need: a laundry basket or hoop, a beanbag or rolled-up socks, a balloon (a grown-up blows it up)

    How did it go? Great Okay Tricky

    Home Connection

    This week at home

    • Math

      Telling how and why my math strategy works

    • ELA

      Pictures and words work together as a team

    • Science

      Bees and other animals help flowers make seeds

    • Social Studies

      Natural resources come from nature, so we protect them

    Three things to celebrate this week

    We did blank of 4 activities.

    Suggested Daily Schedule

    8:30–9:00 AM30 minMorning Meeting / Calendar / Read-Aloud
    9:00–9:30 AM30 minPhonics / Word Study / Spelling
    9:30–10:15 AM45 minReading Workshop
    10:15–10:35 AM20 minSnack and Outdoor Play / Movement Break
    10:35–11:05 AM30 minWriting Workshop
    11:05–11:50 AM45 minMathematics
    11:50 AM–12:35 PM45 minLunch and Free Play
    12:35–1:05 PM30 minScience OR Social Studies (alternating)
    1:05–1:35 PM30 minSpecials: PE / Art / Music / Health (rotating)
    1:35–2:00 PM25 minIndependent Reading / Enrichment